<!--
	来源:CSS世界109页s
-->
<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			*{
				margin: 0;
				padding: 0;
			}
.clearfix:after {content:"\200B"; display:block; height:0; clear:both; }
.clearfix { *zoom:1;}
.ss{
	width: 0;
	border-width: 10px 20px;
	border: 10px solid;
	border-color: #f30 #f30 transparent transparent; 
}
</style>
	</head>
	<body>
		<div class='ss'></div>
	</body>	
</html>
